static int recursive_insert(BSTreeNode* root, BSTreeNode* node, BSTree_Compare* compare)
{
int ret = 1;
int r = compare(node->key, root->key);
if( r == 0 )
{
ret = 0;
}
else if( r < 0 )
{
if( root->left != NULL )
{
ret = recursive_insert(root->left, node, compare);
}
else
{
root->left = node;
}
}
else if( r > 0 )
{
if( root->right != NULL )
{
ret = recursive_insert(root->right, node, compare);
}
else
{
root->right = node;
}
}
}
int BSTree_Insert(BSTree* tree, BSTreeNode* node, BSTree_Compare* compare)
{
TBSTree* btree = (TBSTree*)tree;
int ret = (btree != NULL) && (node != NULL) && (compare != NULL);
if( ret )
{
node->left = NULL;
node->right = NULL;
if( btree->root == NULL )
{
btree->root = node;
}
else
{
ret = recursive_insert(btree->root, node, compare);
}
if( ret )
{
btree->count++;
}
}
return ret;
}
AvlNode<Key>* AVLtree<Key, Comparator>::recursive_insert (const Key& key, AvlNode<Key>* current_root){
if (current_root == nullptr)
{
size++;
return new AvlNode<Key>(key);
}
if (key == current_root -> key)
return current_root;
if (comparator(key, current_root -> key))
current_root -> left = recursive_insert(key, current_root -> left);
else
current_root -> right = recursive_insert(key, current_root -> right);
//Балансирует, поднимаясь вверх по рекурсии.
return balance(current_root);
}
void OcrBST :: recursive_insert(OcrBSTNode * current_node, const Occurrence & v)
{
int compare_result;
compare_result = v.compare(current_node->GetValue());
if(compare_result < 0)
{
//go left
if(current_node->GetLeft() == NULL)
{
current_node->left = new OcrBSTNode(v);
size++;
returnValue = current_node->left;
}
else
{
recursive_insert(current_node->GetLeft(), v);
}
}
else if(compare_result > 0)
{
//go right
if(current_node->GetRight() == NULL)
{
current_node->right = new OcrBSTNode(v);
size++;
returnValue = current_node->right;
}
else
{
recursive_insert(current_node->GetRight(), v);
}
}
else
{
returnValue = NULL;
}
}
OcrBSTNode * OcrBST::Insert(const Occurrence & v)
{
if(root == NULL)
{
root = new OcrBSTNode(v);
size++;
return root;
}
else
{
returnValue = NULL;
recursive_insert(root, v);
return returnValue;
}
}
void lm_trie_build(lm_trie_t *trie, ngram_raw_t **raw_ngrams, uint32 *counts, int order)
{
int i;
if (lm_trie_quant_to_train(trie->quant)) {
E_INFO("Training quantizer\n");
for (i = 2; i < order; i++) {
lm_trie_quant_train(trie->quant, i, counts[i - 1], raw_ngrams[i-2]);
}
lm_trie_quant_train_prob(trie->quant, order, counts[order - 1], raw_ngrams[order - 2]);
}
E_INFO("Building LM trie\n");
recursive_insert(trie, raw_ngrams, counts, order);
/* Set ending offsets so the last entry will be sized properly */
// Last entry for unigrams was already set.
if (trie->middle_begin != trie->middle_end) {
middle_t *middle_ptr;
for (middle_ptr = trie->middle_begin; middle_ptr != trie->middle_end - 1; ++middle_ptr) {
middle_t *next_middle_ptr = middle_ptr + 1;
middle_finish_loading(middle_ptr, next_middle_ptr->base.insert_index);
}
middle_ptr = trie->middle_end - 1;
middle_finish_loading(middle_ptr, trie->longest->base.insert_index);
}
}
void AVLtree<Key, Comparator>::insert(const Key& key){
root = recursive_insert(key, root);
}
int main(void) {
int i;
node *t1, *t2, *t3;
/* recursive_insert() */
printf("=== Tesing Insert Recursive ===\n");
t1 = NULL;
int tree_values[10] = {5, 8, 3, 6, 1, 4, 9, 0, 7, 2};
for (i=0; i<10; i++) {
recursive_insert(&t1,tree_values[i]);
}
printf("=== Inorder Traversal ===\n");
print_inorder_traverse(t1);
printf("\n");
printf("=== PreOrder Traversal ===\n");
print_preorder_traverse(t1);
printf("\n");
printf("=== PostOrder Traversal ===\n");
print_postorder_traverse(t1);
printf("\n");
node *elem;
printf("=== Recursive Search ===\n");
elem = recursive_search(t1, 5);
printf("%d\n", elem->value);
printf("%d\n", elem->left->value);
printf("%d\n", elem->right->value);
printf("\n");
printf("=== Copy Tree ===\n");
t2=copy(t1);
print_inorder_traverse(t1);
printf("\n");
print_inorder_traverse(t2);
printf("\n");
printf("=== Depth ===\n");
int _d = depth(t1);
printf("%d\n", _d);
printf("\n");
printf("=== Num Nodes ===\n");
int _n = num_nodes(t1);
printf("%d\n", _n);
printf("\n");
printf("=== Destroy ===\n");
destroy(&t1);
print_inorder_traverse(t1);
printf("\n");
printf("=== Is Identical ===\n");
t1=NULL;
t2=NULL;
for (i=0; i<10; i++) {
recursive_insert(&t1,tree_values[i]);
recursive_insert(&t2,tree_values[i]);
}
int identical = is_identical(t1, t2);
if (identical)
printf("%s\n", "Trees are identical");
else
printf("%s\n", "Trees are not identical");
printf("\n");
printf("=== Num of Leaves ===\n");
int leaves = num_leaves(t1);
printf("%d\n", leaves);
printf("\n");
}
/**
* Inserts a new value into the ART tree
* @arg t The tree
* @arg key The key
* @arg key_len The length of the key
* @arg value Opaque value.
* @return NULL if the item was newly inserted, otherwise
* the old value pointer is returned.
*/
void* art_insert(art_tree *t, const unsigned char *key, int key_len, void *value) {
int old_val = 0;
void *old = recursive_insert(t->root, &t->root, key, key_len, value, 0, &old_val);
if (!old_val) t->size++;
return old;
}
static void* recursive_insert(art_node *n, art_node **ref, const unsigned char *key, int key_len, void *value, int depth, int *old) {
// If we are at a NULL node, inject a leaf
if (!n) {
*ref = (art_node*)SET_LEAF(make_leaf(key, key_len, value));
return NULL;
}
// If we are at a leaf, we need to replace it with a node
if (IS_LEAF(n)) {
art_leaf *l = LEAF_RAW(n);
// Check if we are updating an existing value
if (!leaf_matches(l, key, key_len, depth)) {
*old = 1;
void *old_val = l->value;
l->value = value;
return old_val;
}
// New value, we must split the leaf into a node4
art_node4 *new_node = (art_node4*)alloc_node(NODE4);
// Create a new leaf
art_leaf *l2 = make_leaf(key, key_len, value);
// Determine longest prefix
int longest_prefix = longest_common_prefix(l, l2, depth);
new_node->n.partial_len = longest_prefix;
memcpy(new_node->n.partial, key+depth, min(MAX_PREFIX_LEN, longest_prefix));
// Add the leafs to the new node4
*ref = (art_node*)new_node;
add_child4(new_node, ref, l->key[depth+longest_prefix], SET_LEAF(l));
add_child4(new_node, ref, l2->key[depth+longest_prefix], SET_LEAF(l2));
return NULL;
}
// Check if given node has a prefix
if (n->partial_len) {
// Determine if the prefixes differ, since we need to split
int prefix_diff = prefix_mismatch(n, key, key_len, depth);
if ((uint32_t)prefix_diff >= n->partial_len) {
depth += n->partial_len;
goto RECURSE_SEARCH;
}
// Create a new node
art_node4 *new_node = (art_node4*)alloc_node(NODE4);
*ref = (art_node*)new_node;
new_node->n.partial_len = prefix_diff;
memcpy(new_node->n.partial, n->partial, min(MAX_PREFIX_LEN, prefix_diff));
// Adjust the prefix of the old node
if (n->partial_len <= MAX_PREFIX_LEN) {
add_child4(new_node, ref, n->partial[prefix_diff], n);
n->partial_len -= (prefix_diff+1);
memmove(n->partial, n->partial+prefix_diff+1,
min(MAX_PREFIX_LEN, n->partial_len));
} else {
n->partial_len -= (prefix_diff+1);
art_leaf *l = minimum(n);
add_child4(new_node, ref, l->key[depth+prefix_diff], n);
memcpy(n->partial, l->key+depth+prefix_diff+1,
min(MAX_PREFIX_LEN, n->partial_len));
}
// Insert the new leaf
art_leaf *l = make_leaf(key, key_len, value);
add_child4(new_node, ref, key[depth+prefix_diff], SET_LEAF(l));
return NULL;
}
RECURSE_SEARCH:;
// Find a child to recurse to
art_node **child = find_child(n, key[depth]);
if (child) {
return recursive_insert(*child, child, key, key_len, value, depth+1, old);
}
// No child, node goes within us
art_leaf *l = make_leaf(key, key_len, value);
add_child(n, ref, key[depth], SET_LEAF(l));
return NULL;
}